Home / 262,001.10-393,026.34-72,453.80

Finding the Fourth Proportional to 262,001.10, 393,026.34 and 72,453.80

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Solution

The fourth proportional to 262,001.10, 393,026.34 and 72,453.80 is: 108,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,001.10 : 393,026.34 = 72,453.80 : x
  2. Step 2: Convert to fraction form
    262,001.10/393,026.34 = 72,453.80/x
  3. Step 3: Cross multiply
    262,001.10x = 393,026.34 × 72,453.80
  4. Step 4: Simplify right side
    262,001.10x = 28,476,251,833.09
  5. Step 5: Solve for x
    x = 28,476,251,833.09/262,001.10
  6. Step 6: Final answer
    x = 108,687.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.